CN219933815U

CN219933815U - Novel condenser structure

Info

Publication number: CN219933815U
Application number: CN202321269153.7U
Authority: CN
Inventors: 姚仙亮; 杨辉
Original assignee: Hainachuan Haila Changzhou Lamp Co ltd
Current assignee: Hainachuan Haila Changzhou Lamp Co ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-10-31
Anticipated expiration: 2033-05-23

Abstract

The utility model relates to the field of car lamps and discloses a novel light collector structure, which is characterized by comprising a light collector body, wherein the light incident side of the light collector body is provided with a reflecting surface, a first light incident surface and a second light incident surface which are sequentially connected from the periphery to the center, the second light incident surface is convex to the light incident side, a refraction convex ring is formed on the second light incident surface, the refraction convex rings form a Fresnel pattern structure, the number of the refraction convex rings is one or more, the number of the refraction convex rings can be one or more, the number of the refraction convex rings is adjusted according to actual design requirements, and when the number of the refraction convex rings is multiple, the centers of the refraction convex rings are coaxially arranged. According to the utility model, the refractive convex ring is arranged on the second light incident surface, the Fresnel pattern structure is utilized to increase the parameter dimension of the optical design, the improvement is carried out on the basis of not damaging the spherical design of the second light incident surface, the structure is simple, the processing is easy, and the improvement on the light parameters is convenient.

Description

Novel condenser structure

Technical Field

The utility model relates to the field of car lights, in particular to a novel condenser structure.

Background

The lighting effect of the car lamp is influenced by the parameter setting of the condenser, the center of the conventional condenser is a collimating lens, the central light of the condenser is more, a central light spot is easy to generate, when the central light needs to be diffused or uniformity optimized, the diffusion parameter of the whole lens surface is limited, if an aspheric surface is designed, the design and processing difficulty can be greatly increased, the adjustment angle is limited, and the expected effect cannot be achieved.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a novel condenser structure which is used for overcoming the defects in the prior art and has the characteristics of simple structure, convenience in processing and design and good diffusion effect on central light.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the novel light collector structure comprises a light collector body, wherein the light incident side of the light collector body is provided with a reflecting surface, a first light incident surface and a second light incident surface which are sequentially connected from the periphery to the center, the second light incident surface protrudes to the light incident side,

the refraction convex ring is formed on the second light incident surface and forms a Fresnel pattern structure, the refraction convex ring comprises a first refraction surface and a second refraction surface, the first refraction surface is connected with the second light incident surface and the second refraction surface, the second refraction surface is convexly curved towards the light incident side, and the second refraction surface is used for changing the diffusion angle of incident light.

In the present utility model, preferably, the number of the refraction convex rings may be set to one or more, and when the number of the refraction convex rings is set to a plurality, the centers of the refraction convex rings are coaxially disposed.

In the present utility model, the second refractive surface is preferably spherical in shape.

In the utility model, preferably, the reflecting surface includes a plurality of reflecting portions, the reflecting portions are mutually connected, the reflecting portions are circumferentially distributed along an incident optical axis of the condenser body and form reflecting rings, the reflecting rings are sequentially arranged along a length direction of the condenser body to form the reflecting surface, and the reflecting portions are protruded to the condenser body.

In the present utility model, the reflecting portion is preferably spherical in shape.

The utility model has the beneficial effects that:

1. according to the utility model, the refractive convex ring is arranged on the second light incident surface, the parameter dimension of the optical design is increased by utilizing the Fresnel pattern structure, the improvement is carried out on the basis of not damaging the spherical design of the second light incident surface, the structure is simple, the processing is easy, the detail diffusion angle of the light inside the condenser can be adjusted, the light parameters are convenient to improve, the diffusion performance of the second light incident surface to the central light is enhanced, the problem of bright spots caused by more central light of the condenser is solved, and the lighting uniformity of the condenser body is improved;

2. according to the utility model, through the structural design of the reflecting parts on the reflecting surfaces, the condenser can be attached to form, broken surfaces cannot appear between the reflecting parts, the processing of the completely-fitting design state can be ensured, the diffusion direction of the reflecting parts is consistent with the surface of the condenser, the occurrence of irregular stray light can be avoided, and the lighting effect is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present utility model.

Reference numerals:

1. a condenser body; 2. a reflecting surface; 21. a reflection section; 3. a first light incident surface; 4. a second light incident surface; 41. a first refractive surface; 42. and a second refraction surface.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, the present embodiment provides a novel light-condensing structure, which includes a light-condensing body 1, wherein a light-incident side of the light-condensing body 1 is provided with a reflective surface 2, a first light-incident surface 3 and a second light-incident surface 4, which are sequentially connected from the periphery to the center, wherein the second light-incident surface 4 protrudes toward the light-incident side.

In order to improve the diffusion of the central light, a refractive convex ring is arranged on the second light incident surface 4. The second light incident surface 4 is provided with refraction convex rings, the refraction convex rings form a Fresnel pattern structure, the number of the refraction convex rings is one or more, the number of the refraction convex rings can be one or more, the number of the refraction convex rings is adjusted according to actual design requirements, and when the number of the refraction convex rings is multiple, the centers of the refraction convex rings are coaxially arranged. According to the utility model, the refractive convex ring is arranged on the second light incident surface 4, the Fresnel pattern structure is utilized to increase the parameter dimension of the optical design, the improvement is carried out on the basis of not damaging the spherical design of the second light incident surface 4, the structure is simple, the processing is easy, and the improvement on the light parameters is facilitated.

The refractive convex ring includes a first refractive surface 41 and a second refractive surface 42, wherein the first refractive surface 41 connects the second light incident surface 4 and the second refractive surface 42, and the second refractive surface 42 is curved convexly to the light incident side. The second refraction surface 42 is spherical, the second refraction surface 42 is used for changing the diffusion angle of incident light, enhancing the diffusion effect of the second light incident surface 4 on the central light, improving the problem of bright spots caused by more central light of the condenser, and improving the lighting uniformity of the condenser body 1. After each layer of refraction convex ring is added with the calibration light rays with different angles, the light rays in the central part of the LED can be more accurately added with larger angle diffusion.

The machine is also changed for the reflecting surface 2, and the reflecting surface 2 comprises a plurality of reflecting parts 21, and the reflecting parts 21 are mutually connected. The reflecting portions 21 are circumferentially distributed along the incident optical axis of the condenser body 1 to form reflecting rings, the reflecting rings are sequentially arranged along the length direction of the condenser body 1 to form reflecting surfaces 2, the reflecting portions 21 are convexly curved toward the condenser body 1, and the reflecting portions 21 are spherical in shape.

Considering that the shape of the reflecting surface 2 affects the reflection effect of light, the overall shape of the reflecting surface needs to be considered to be close to the condenser shape, and the plurality of reflecting portions 21 are arranged in a manner that ensures the basic shape and is convenient for processing. For the formed reflection ring structure, the reflection parts 21 distributed circumferentially can provide uniform light-emitting effect in the circumferential direction, and in addition, the plurality of reflection rings are mutually connected, so that the reflection effect of the reflection surface 2 in the direction from the periphery to the center of the condenser is ensured. The number of the reflecting parts 21 on each reflecting ring is set to be uniform, and each reflecting part 21 is respectively connected with four other reflecting parts 21, namely two reflecting parts 21 on two adjacent reflecting rings and two adjacent reflecting parts 21 on the same reflecting ring. The reflecting parts 21 form a tower-shaped pattern structure, the structure can keep the shape of the condenser, the processing is guaranteed to be completely fit with the design state, the actual use effect is close to the expected use effect, broken surfaces can not appear between the reflecting parts 21, the pattern diffusion direction is horizontally and longitudinally attached to the condenser, the light distribution is more regular, irregular stray light is avoided, and the lighting uniformity is improved.

The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. A novel concentrator structure, characterized in that: comprises a condenser body (1), wherein the light incident side of the condenser body (1) is provided with a reflecting surface (2), a first light incident surface (3) and a second light incident surface (4) which are sequentially connected from the periphery to the center, the second light incident surface (4) protrudes to the light incident side,

the refraction convex ring is formed on the second light incident surface (4), the refraction convex ring forms a Fresnel pattern structure, the refraction convex ring comprises a first refraction surface (41) and a second refraction surface (42), the first refraction surface (41) is connected with the second light incident surface (4) and the second refraction surface (42), the second refraction surface (42) is convexly curved to the light incident side, and the second refraction surface (42) is used for changing the diffusion angle of incident light.

2. The novel concentrator structure of claim 1, wherein: the number of the refraction convex rings may be set to one or more, and when the number of the refraction convex rings is set to a plurality, the center of each refraction convex ring is coaxially arranged.

3. The novel concentrator structure of claim 1, wherein: the second refraction surface (42) is spherical in shape.

4. The novel concentrator structure of claim 1, wherein: the reflection surface (2) comprises a plurality of reflection parts (21), the reflection parts (21) are mutually connected, the reflection parts (21) are circumferentially distributed along an incident optical axis of the condenser body (1) and form reflection rings, the reflection rings are sequentially arranged in the length direction of the condenser body (1) to form the reflection surface (2), and the reflection parts (21) are protruded to the condenser body (1) to bend.

5. The novel concentrator structure of claim 4, wherein: the reflecting part (21) is spherical in shape.